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Finding the Fourth Proportional to 103,797.41, 143,251 and 63,537.77

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Solution

The fourth proportional to 103,797.41, 143,251 and 63,537.77 is: 87,688.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,797.41 : 143,251 = 63,537.77 : x
  2. Step 2: Convert to fraction form
    103,797.41/143,251 = 63,537.77/x
  3. Step 3: Cross multiply
    103,797.41x = 143,251 × 63,537.77
  4. Step 4: Simplify right side
    103,797.41x = 9,101,849,090.27
  5. Step 5: Solve for x
    x = 9,101,849,090.27/103,797.41
  6. Step 6: Final answer
    x = 87,688.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.